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Free and Open, Distributed, RESTful Search Engine
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= Elasticsearch Elasticsearch is the distributed, RESTful search and analytics engine at the heart of the https://www.elastic.co/products[Elastic Stack]. You can use Elasticsearch to store, search, and manage data for: * Logs * Metrics * A search backend * Application monitoring * Endpoint security \... and more! To learn more about Elasticsearch's features and capabilities, see our https://www.elastic.co/products/elasticsearch[product page]. [[get-started]] == Get started The simplest way to set up Elasticsearch is to create a managed deployment with https://www.elastic.co/cloud/as-a-service[Elasticsearch Service on Elastic Cloud]. If you prefer to install and manage Elasticsearch yourself, you can download the latest version from https://www.elastic.co/downloads/elasticsearch[elastic.co/downloads/elasticsearch]. For more installation options, see the https://www.elastic.co/guide/en/elasticsearch/reference/current/install-elasticsearch.html[Elasticsearch installation documentation]. [[upgrade]] == Upgrade To upgrade from an earlier version of Elasticsearch, see the https://www.elastic.co/guide/en/elasticsearch/reference/current/setup-upgrade.html[Elasticsearch upgrade documentation]. [[build-source]] == Build from source Elasticsearch uses https://gradle.org[Gradle] for its build system. To build a distribution for your local OS and print its output location upon completion, run: ---- ./gradlew localDistro ---- To build a distribution for another platform, run the related command: ---- ./gradlew :distribution:archives:linux-tar:assemble ./gradlew :distribution:archives:darwin-tar:assemble ./gradlew :distribution:archives:windows-zip:assemble ---- To build distributions for all supported platforms, run: ---- ./gradlew assemble ---- Distributions are output to `distributions/archives`. To run the test suite, see xref:TESTING.asciidoc[TESTING]. [[docs]] == Documentation For the complete Elasticsearch documentation visit https://www.elastic.co/guide/en/elasticsearch/reference/current/index.html[elastic.co]. For information about our documentation processes, see the xref:docs/README.asciidoc[docs README]. [[contribute]] == Contribute For contribution guidelines, see xref:CONTRIBUTING.md[CONTRIBUTING]. [[questions]] == Questions? Problems? Suggestions? * To report a bug or request a feature, create a https://github.com/elastic/elasticsearch/issues/new/choose[GitHub Issue]. Please ensure someone else hasn't created an issue for the same topic. * Need help using Elasticsearch? Reach out on the https://discuss.elastic.co[Elastic Forum] or https://ela.st/slack[Slack]. A fellow community member or Elastic engineer will be happy to help you out.